ZIP Code 01824
standardSource:
Chelmsford · Middlesex County · Massachusetts
- Population
- 24,911
- Median income
- $140,050
- Median home value
- $619,700
- Bachelor's or higher
- 55.6%
- Land area
- 46.0 sq mi
542/sq mi
▲ 84% vs US
higher than 95% of US ZIPs
▲ 123% vs US
higher than 92% of US ZIPs
Median age 41.8
New York
ZIP code 01824 in Chelmsford, Massachusetts has a population of 24,911. The median household income is $140,050, which is 84% above the national average. Median home value is $619,700, 123% above the US average. 55.6% of residents hold a bachelor's degree or higher.
ZIP code 01824 is classified by USPS as a standard delivery area and covers roughly 46.0 square miles in Chelmsford, Middlesex County, Massachusetts. The area is home to 24,911 residents, producing a population density of 542 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 01824 against Massachusetts and the nation.
On the economic side, the median household income for ZIP 01824 sits at $140,050 (21% above the Massachusetts average), while per-capita income is $62,155. The poverty rate stands at 5.4% and the unemployment rate at 6.5%. On housing, the median home value is $619,700 (3% above the state average) with median rent at $2,167 per month, and 82.3% of occupied units are owner-occupied, a direct signal of whether 01824 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 55.6% of adults hold a bachelor's degree or higher, the median age is 41.8, and the average commute is 28 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Middlesex County, so you can benchmark 01824 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 01824
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 01824.
- Health care and social assistance
Health care and social assistance
133 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
116 establishments
- Construction
Construction
104 establishments
- Other services (except public administration)
Other services (except public administration)
79 establishments
- Retail trade
Retail trade
77 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 01824, Chelmsford, MA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
24,911
Population
46.0
Area (sq mi)
542
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 01824?
41.8
Median Age
48.1%
Male
51.9%
Female
13.7%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$140,050
Median Household Income
+21% vs state
$62,155
Per Capita Income
5.4%
Poverty Rate
6.5%
Unemployment Rate
28.0 min
Mean Commute Time
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
10,327
Total Housing Units
9,877
Occupied Units
450
Vacant Units
2.68
Avg Household Size
Occupancy Type
$619,700
Median Home Value
+3% vs state
$2,167
Median Rent
1967
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+5.6%
YoY Change (2024)
256
HPI Index (2000 = 100)
+156%
Total Change Since 2000
Home values in ZIP 01824 have increased 5.6% over the past year (2024). Since 2000, this ZIP has seen +156% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +3.3% | 178 |
| 2021 | +12.1% | 199 |
| 2022 | +11.4% | 222 |
| 2023 | +9.3% | 243 |
| 2024 | +5.6% | 256 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 844 business establishments in ZIP 01824, employing approximately 20,094 people with a combined annual payroll of $1,440,267,000.
844
Businesses
20,094
Employees
$1.4B
Annual Payroll
17
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Health care and social assistance | 133 | 15.8% |
| Professional, scientific, and technical services | 116 | 13.7% |
| Construction | 104 | 12.3% |
| Other services (except public administration) | 79 | 9.4% |
| Retail trade | 77 | 9.1% |
| Accommodation and food services | 71 | 8.4% |
| Manufacturing | 57 | 6.8% |
| Administrative and support and waste management and remediation services | 47 | 5.6% |
| Finance and insurance | 38 | 4.5% |
| Wholesale trade | 30 | 3.5% |
| Transportation and warehousing | 21 | 2.5% |
| Real estate and rental and leasing | 21 | 2.5% |
| Educational services | 15 | 1.8% |
| Information | 14 | 1.7% |
| Arts, entertainment, and recreation | 14 | 1.7% |
| Management of companies and enterprises | 3 | 0.4% |
| Industries not classified | 3 | 0.4% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 01824 vs 01851 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 01851 | Lowell, MA | 30,190 | 2.8 mi |
| 01741 | Carlisle, MA | 4,852 | 4.2 mi |
| 01854 | Lowell, MA | 27,606 | 4.0 mi |
| 01863 | North Chelmsford, MA | 8,891 | 3.4 mi |
| 01862 | North Billerica, MA | 10,227 | 3.4 mi |
| 01886 | Westford, MA | 21,951 | 4.3 mi |
| 01852 | Lowell, MA | 33,508 | 4.2 mi |
| 01850 | Lowell, MA | 15,237 | 5.2 mi |
| 01742 | Concord, MA | 17,726 | 8.9 mi |
| 01821 | Billerica, MA | 30,310 | 6.0 mi |
More ZIP Codes in Middlesex County
Related Areas
Frequently Asked Questions
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How have home values changed in ZIP code 01824? ▼
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ZIP Code Research Guides
Official Data Resources for Chelmsford, MA
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.